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18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/ctype.h>
21#include <linux/slab.h>
22#include <linux/i2c.h>
23#include <linux/device.h>
24#include <linux/delay.h>
25#include <linux/module.h>
26#include <linux/videodev2.h>
27#include <linux/uaccess.h>
28
29#include <media/adv7343.h>
30#include <media/v4l2-device.h>
31#include <media/v4l2-chip-ident.h>
32#include <media/v4l2-ctrls.h>
33
34#include "adv7343_regs.h"
35
36MODULE_DESCRIPTION("ADV7343 video encoder driver");
37MODULE_LICENSE("GPL");
38
39static int debug;
40module_param(debug, int, 0644);
41MODULE_PARM_DESC(debug, "Debug level 0-1");
42
43struct adv7343_state {
44 struct v4l2_subdev sd;
45 struct v4l2_ctrl_handler hdl;
46 const struct adv7343_platform_data *pdata;
47 u8 reg00;
48 u8 reg01;
49 u8 reg02;
50 u8 reg35;
51 u8 reg80;
52 u8 reg82;
53 u32 output;
54 v4l2_std_id std;
55};
56
57static inline struct adv7343_state *to_state(struct v4l2_subdev *sd)
58{
59 return container_of(sd, struct adv7343_state, sd);
60}
61
62static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
63{
64 return &container_of(ctrl->handler, struct adv7343_state, hdl)->sd;
65}
66
67static inline int adv7343_write(struct v4l2_subdev *sd, u8 reg, u8 value)
68{
69 struct i2c_client *client = v4l2_get_subdevdata(sd);
70
71 return i2c_smbus_write_byte_data(client, reg, value);
72}
73
74static const u8 adv7343_init_reg_val[] = {
75 ADV7343_SOFT_RESET, ADV7343_SOFT_RESET_DEFAULT,
76 ADV7343_POWER_MODE_REG, ADV7343_POWER_MODE_REG_DEFAULT,
77
78 ADV7343_HD_MODE_REG1, ADV7343_HD_MODE_REG1_DEFAULT,
79 ADV7343_HD_MODE_REG2, ADV7343_HD_MODE_REG2_DEFAULT,
80 ADV7343_HD_MODE_REG3, ADV7343_HD_MODE_REG3_DEFAULT,
81 ADV7343_HD_MODE_REG4, ADV7343_HD_MODE_REG4_DEFAULT,
82 ADV7343_HD_MODE_REG5, ADV7343_HD_MODE_REG5_DEFAULT,
83 ADV7343_HD_MODE_REG6, ADV7343_HD_MODE_REG6_DEFAULT,
84 ADV7343_HD_MODE_REG7, ADV7343_HD_MODE_REG7_DEFAULT,
85
86 ADV7343_SD_MODE_REG1, ADV7343_SD_MODE_REG1_DEFAULT,
87 ADV7343_SD_MODE_REG2, ADV7343_SD_MODE_REG2_DEFAULT,
88 ADV7343_SD_MODE_REG3, ADV7343_SD_MODE_REG3_DEFAULT,
89 ADV7343_SD_MODE_REG4, ADV7343_SD_MODE_REG4_DEFAULT,
90 ADV7343_SD_MODE_REG5, ADV7343_SD_MODE_REG5_DEFAULT,
91 ADV7343_SD_MODE_REG6, ADV7343_SD_MODE_REG6_DEFAULT,
92 ADV7343_SD_MODE_REG7, ADV7343_SD_MODE_REG7_DEFAULT,
93 ADV7343_SD_MODE_REG8, ADV7343_SD_MODE_REG8_DEFAULT,
94
95 ADV7343_SD_HUE_REG, ADV7343_SD_HUE_REG_DEFAULT,
96 ADV7343_SD_CGMS_WSS0, ADV7343_SD_CGMS_WSS0_DEFAULT,
97 ADV7343_SD_BRIGHTNESS_WSS, ADV7343_SD_BRIGHTNESS_WSS_DEFAULT,
98};
99
100
101
102
103
104
105static const struct adv7343_std_info stdinfo[] = {
106 {
107
108 SD_STD_NTSC, 569408542, V4L2_STD_NTSC,
109 }, {
110
111 SD_STD_PAL_M, 568782678, V4L2_STD_PAL_M,
112 }, {
113
114 SD_STD_PAL_N, 569807903, V4L2_STD_PAL_Nc,
115 }, {
116
117 SD_STD_PAL_N, 705268427, V4L2_STD_PAL_N,
118 }, {
119
120 SD_STD_PAL_BDGHI, 705268427, V4L2_STD_PAL,
121 }, {
122
123 SD_STD_NTSC, 705268427, V4L2_STD_NTSC_443,
124 }, {
125
126 SD_STD_PAL_M, 705268427, V4L2_STD_PAL_60,
127 },
128};
129
130static int adv7343_setstd(struct v4l2_subdev *sd, v4l2_std_id std)
131{
132 struct adv7343_state *state = to_state(sd);
133 struct adv7343_std_info *std_info;
134 int num_std;
135 char *fsc_ptr;
136 u8 reg, val;
137 int err = 0;
138 int i = 0;
139
140 std_info = (struct adv7343_std_info *)stdinfo;
141 num_std = ARRAY_SIZE(stdinfo);
142
143 for (i = 0; i < num_std; i++) {
144 if (std_info[i].stdid & std)
145 break;
146 }
147
148 if (i == num_std) {
149 v4l2_dbg(1, debug, sd,
150 "Invalid std or std is not supported: %llx\n",
151 (unsigned long long)std);
152 return -EINVAL;
153 }
154
155
156 val = state->reg80 & (~(SD_STD_MASK));
157 val |= std_info[i].standard_val3;
158 err = adv7343_write(sd, ADV7343_SD_MODE_REG1, val);
159 if (err < 0)
160 goto setstd_exit;
161
162 state->reg80 = val;
163
164
165 val = state->reg01 & (~((u8) INPUT_MODE_MASK));
166 val |= SD_INPUT_MODE;
167 err = adv7343_write(sd, ADV7343_MODE_SELECT_REG, val);
168 if (err < 0)
169 goto setstd_exit;
170
171 state->reg01 = val;
172
173
174 fsc_ptr = (unsigned char *)&std_info[i].fsc_val;
175 reg = ADV7343_FSC_REG0;
176 for (i = 0; i < 4; i++, reg++, fsc_ptr++) {
177 err = adv7343_write(sd, reg, *fsc_ptr);
178 if (err < 0)
179 goto setstd_exit;
180 }
181
182 val = state->reg80;
183
184
185 if (std & (V4L2_STD_NTSC | V4L2_STD_NTSC_443))
186 val &= 0x03;
187 else if (std & ~V4L2_STD_SECAM)
188 val |= 0x04;
189
190 err = adv7343_write(sd, ADV7343_SD_MODE_REG1, val);
191 if (err < 0)
192 goto setstd_exit;
193
194 state->reg80 = val;
195
196setstd_exit:
197 if (err != 0)
198 v4l2_err(sd, "Error setting std, write failed\n");
199
200 return err;
201}
202
203static int adv7343_setoutput(struct v4l2_subdev *sd, u32 output_type)
204{
205 struct adv7343_state *state = to_state(sd);
206 unsigned char val;
207 int err = 0;
208
209 if (output_type > ADV7343_SVIDEO_ID) {
210 v4l2_dbg(1, debug, sd,
211 "Invalid output type or output type not supported:%d\n",
212 output_type);
213 return -EINVAL;
214 }
215
216
217 val = state->reg00 & 0x03;
218
219
220 if (!state->pdata)
221 if (output_type == ADV7343_COMPOSITE_ID)
222 val |= ADV7343_COMPOSITE_POWER_VALUE;
223 else if (output_type == ADV7343_COMPONENT_ID)
224 val |= ADV7343_COMPONENT_POWER_VALUE;
225 else
226 val |= ADV7343_SVIDEO_POWER_VALUE;
227 else
228 val = state->pdata->mode_config.sleep_mode << 0 |
229 state->pdata->mode_config.pll_control << 1 |
230 state->pdata->mode_config.dac_3 << 2 |
231 state->pdata->mode_config.dac_2 << 3 |
232 state->pdata->mode_config.dac_1 << 4 |
233 state->pdata->mode_config.dac_6 << 5 |
234 state->pdata->mode_config.dac_5 << 6 |
235 state->pdata->mode_config.dac_4 << 7;
236
237 err = adv7343_write(sd, ADV7343_POWER_MODE_REG, val);
238 if (err < 0)
239 goto setoutput_exit;
240
241 state->reg00 = val;
242
243
244 val = state->reg02 | YUV_OUTPUT_SELECT;
245 err = adv7343_write(sd, ADV7343_MODE_REG0, val);
246 if (err < 0)
247 goto setoutput_exit;
248
249 state->reg02 = val;
250
251
252 val = state->reg82 & (SD_DAC_1_DI & SD_DAC_2_DI);
253
254 if (state->pdata && state->pdata->sd_config.sd_dac_out1)
255 val = val | (state->pdata->sd_config.sd_dac_out1 << 1);
256 else if (state->pdata && !state->pdata->sd_config.sd_dac_out1)
257 val = val & ~(state->pdata->sd_config.sd_dac_out1 << 1);
258
259 if (state->pdata && state->pdata->sd_config.sd_dac_out2)
260 val = val | (state->pdata->sd_config.sd_dac_out2 << 2);
261 else if (state->pdata && !state->pdata->sd_config.sd_dac_out2)
262 val = val & ~(state->pdata->sd_config.sd_dac_out2 << 2);
263
264 err = adv7343_write(sd, ADV7343_SD_MODE_REG2, val);
265 if (err < 0)
266 goto setoutput_exit;
267
268 state->reg82 = val;
269
270
271
272 val = state->reg35 & (HD_RGB_INPUT_DI & HD_DAC_SWAP_DI);
273 err = adv7343_write(sd, ADV7343_HD_MODE_REG6, val);
274 if (err < 0)
275 goto setoutput_exit;
276
277 state->reg35 = val;
278
279setoutput_exit:
280 if (err != 0)
281 v4l2_err(sd, "Error setting output, write failed\n");
282
283 return err;
284}
285
286static int adv7343_log_status(struct v4l2_subdev *sd)
287{
288 struct adv7343_state *state = to_state(sd);
289
290 v4l2_info(sd, "Standard: %llx\n", (unsigned long long)state->std);
291 v4l2_info(sd, "Output: %s\n", (state->output == 0) ? "Composite" :
292 ((state->output == 1) ? "Component" : "S-Video"));
293 return 0;
294}
295
296static int adv7343_s_ctrl(struct v4l2_ctrl *ctrl)
297{
298 struct v4l2_subdev *sd = to_sd(ctrl);
299
300 switch (ctrl->id) {
301 case V4L2_CID_BRIGHTNESS:
302 return adv7343_write(sd, ADV7343_SD_BRIGHTNESS_WSS,
303 ctrl->val);
304
305 case V4L2_CID_HUE:
306 return adv7343_write(sd, ADV7343_SD_HUE_REG, ctrl->val);
307
308 case V4L2_CID_GAIN:
309 return adv7343_write(sd, ADV7343_DAC2_OUTPUT_LEVEL, ctrl->val);
310 }
311 return -EINVAL;
312}
313
314static int adv7343_g_chip_ident(struct v4l2_subdev *sd,
315 struct v4l2_dbg_chip_ident *chip)
316{
317 struct i2c_client *client = v4l2_get_subdevdata(sd);
318
319 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7343, 0);
320}
321
322static const struct v4l2_ctrl_ops adv7343_ctrl_ops = {
323 .s_ctrl = adv7343_s_ctrl,
324};
325
326static const struct v4l2_subdev_core_ops adv7343_core_ops = {
327 .log_status = adv7343_log_status,
328 .g_chip_ident = adv7343_g_chip_ident,
329 .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
330 .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
331 .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
332 .g_ctrl = v4l2_subdev_g_ctrl,
333 .s_ctrl = v4l2_subdev_s_ctrl,
334 .queryctrl = v4l2_subdev_queryctrl,
335 .querymenu = v4l2_subdev_querymenu,
336};
337
338static int adv7343_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
339{
340 struct adv7343_state *state = to_state(sd);
341 int err = 0;
342
343 if (state->std == std)
344 return 0;
345
346 err = adv7343_setstd(sd, std);
347 if (!err)
348 state->std = std;
349
350 return err;
351}
352
353static int adv7343_s_routing(struct v4l2_subdev *sd,
354 u32 input, u32 output, u32 config)
355{
356 struct adv7343_state *state = to_state(sd);
357 int err = 0;
358
359 if (state->output == output)
360 return 0;
361
362 err = adv7343_setoutput(sd, output);
363 if (!err)
364 state->output = output;
365
366 return err;
367}
368
369static const struct v4l2_subdev_video_ops adv7343_video_ops = {
370 .s_std_output = adv7343_s_std_output,
371 .s_routing = adv7343_s_routing,
372};
373
374static const struct v4l2_subdev_ops adv7343_ops = {
375 .core = &adv7343_core_ops,
376 .video = &adv7343_video_ops,
377};
378
379static int adv7343_initialize(struct v4l2_subdev *sd)
380{
381 struct adv7343_state *state = to_state(sd);
382 int err = 0;
383 int i;
384
385 for (i = 0; i < ARRAY_SIZE(adv7343_init_reg_val); i += 2) {
386
387 err = adv7343_write(sd, adv7343_init_reg_val[i],
388 adv7343_init_reg_val[i+1]);
389 if (err) {
390 v4l2_err(sd, "Error initializing\n");
391 return err;
392 }
393 }
394
395
396 err = adv7343_setoutput(sd, state->output);
397 if (err < 0) {
398 v4l2_err(sd, "Error setting output during init\n");
399 return -EINVAL;
400 }
401
402 err = adv7343_setstd(sd, state->std);
403 if (err < 0) {
404 v4l2_err(sd, "Error setting std during init\n");
405 return -EINVAL;
406 }
407
408 return err;
409}
410
411static int adv7343_probe(struct i2c_client *client,
412 const struct i2c_device_id *id)
413{
414 struct adv7343_state *state;
415 int err;
416
417 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
418 return -ENODEV;
419
420 v4l_info(client, "chip found @ 0x%x (%s)\n",
421 client->addr << 1, client->adapter->name);
422
423 state = devm_kzalloc(&client->dev, sizeof(struct adv7343_state),
424 GFP_KERNEL);
425 if (state == NULL)
426 return -ENOMEM;
427
428
429 state->pdata = client->dev.platform_data;
430
431 state->reg00 = 0x80;
432 state->reg01 = 0x00;
433 state->reg02 = 0x20;
434 state->reg35 = 0x00;
435 state->reg80 = ADV7343_SD_MODE_REG1_DEFAULT;
436 state->reg82 = ADV7343_SD_MODE_REG2_DEFAULT;
437
438 state->output = ADV7343_COMPOSITE_ID;
439 state->std = V4L2_STD_NTSC;
440
441 v4l2_i2c_subdev_init(&state->sd, client, &adv7343_ops);
442
443 v4l2_ctrl_handler_init(&state->hdl, 2);
444 v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops,
445 V4L2_CID_BRIGHTNESS, ADV7343_BRIGHTNESS_MIN,
446 ADV7343_BRIGHTNESS_MAX, 1,
447 ADV7343_BRIGHTNESS_DEF);
448 v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops,
449 V4L2_CID_HUE, ADV7343_HUE_MIN,
450 ADV7343_HUE_MAX, 1,
451 ADV7343_HUE_DEF);
452 v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops,
453 V4L2_CID_GAIN, ADV7343_GAIN_MIN,
454 ADV7343_GAIN_MAX, 1,
455 ADV7343_GAIN_DEF);
456 state->sd.ctrl_handler = &state->hdl;
457 if (state->hdl.error) {
458 int err = state->hdl.error;
459
460 v4l2_ctrl_handler_free(&state->hdl);
461 return err;
462 }
463 v4l2_ctrl_handler_setup(&state->hdl);
464
465 err = adv7343_initialize(&state->sd);
466 if (err)
467 v4l2_ctrl_handler_free(&state->hdl);
468 return err;
469}
470
471static int adv7343_remove(struct i2c_client *client)
472{
473 struct v4l2_subdev *sd = i2c_get_clientdata(client);
474 struct adv7343_state *state = to_state(sd);
475
476 v4l2_device_unregister_subdev(sd);
477 v4l2_ctrl_handler_free(&state->hdl);
478
479 return 0;
480}
481
482static const struct i2c_device_id adv7343_id[] = {
483 {"adv7343", 0},
484 {},
485};
486
487MODULE_DEVICE_TABLE(i2c, adv7343_id);
488
489static struct i2c_driver adv7343_driver = {
490 .driver = {
491 .owner = THIS_MODULE,
492 .name = "adv7343",
493 },
494 .probe = adv7343_probe,
495 .remove = adv7343_remove,
496 .id_table = adv7343_id,
497};
498
499module_i2c_driver(adv7343_driver);
500
